1997 XU9

1997XU9, 39815, J97X09U

All data for this body: [vot]

MPC data
Name (number) 1997 XU9 (39815)
a 2.28399
e 0.25306
i / sin(i) 5.1964 / 0.09057
q 1.70601
Q 2.86197
ω 282.8953
Node 50.0722
m 43.2114
n 0.2855
Epoch 2460800.5
nobs 1750
nopp 22
Years observed 1990-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.284
ep 0.205
sin(ip) 0.082
G 0.150
H 15.470
Mass
D 1.91 0.237
pV 0.533 0.1438
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.334
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2839 0.2054 0.0821 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.91 0.237 0.237 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.533 0.1438 0.1438 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.7223 0.7223 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT